Item:ceramic cartridge Size: 3/8" 1/2" 3/4" Type: quick open Material: brass and ceramic Weight: 40g 120g We mainlyproduce metal products,brass cartridges, faucet fittings,brass valves, angle valves, PP-R pipe fittings and sanitary ware. We already have 15 years of operational experience, strong technical force and a sophisticated marketing system.